{"transactions":[{"id":743914,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-06-10T20:29:55.000Z","date":"2026-06-08","kind":"tax_withholding","planned":false,"acquired":false,"shares":2477,"price":95.34,"value":236157.18,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of PSUs."}],"balance_after":63629,"source":{"system":"sec-edgar","filing":"0000891839-26-000242","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000242/form4.xml","form_type":"4"}},{"id":743913,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-06-10T20:29:55.000Z","date":"2026-06-08","kind":"grant","planned":false,"acquired":true,"shares":8619,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were awarded to Mr. Malone upon the vesting of performance-based restricted stock units (\"PSUs\") granted to him under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3. The shares underlying this award vested after three years based on the Company's achievement on certain pre-determined performance measures over the eligible three-year period that ended on 3/31/2026."}],"balance_after":66106,"source":{"system":"sec-edgar","filing":"0000891839-26-000242","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000242/form4.xml","form_type":"4"}},{"id":747179,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2026-06-08T20:30:36.000Z","date":"2026-06-04","kind":"exercise","planned":false,"acquired":false,"shares":1291,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis (\"RSUs\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Two-thirds of the original grant of these RSUs vested in substantially equal installments on each of 6/4/2025 and 6/4/2026, and except as otherwise provided in the award notice, the balance vests on 6/4/2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Two-thirds of the original grant of these RSUs vested in substantially equal installments on each of 6/4/2025 and 6/4/2026, and except as otherwise provided in the award notice, the balance vests on 6/4/2027."}],"balance_after":1291,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":1291},"source":{"system":"sec-edgar","filing":"0000891839-26-000236","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000236/form4.xml","form_type":"4"}},{"id":747178,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-06-08T20:30:36.000Z","date":"2026-06-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":371,"price":107.96,"value":40053.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of RSUs."}],"balance_after":57487,"source":{"system":"sec-edgar","filing":"0000891839-26-000236","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000236/form4.xml","form_type":"4"}},{"id":747177,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-06-08T20:30:36.000Z","date":"2026-06-04","kind":"exercise","planned":false,"acquired":true,"shares":1291,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis (\"RSUs\")."}],"balance_after":57858,"source":{"system":"sec-edgar","filing":"0000891839-26-000236","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000236/form4.xml","form_type":"4"}},{"id":753482,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2026-06-03T20:31:56.000Z","date":"2026-06-01","kind":"grant","planned":false,"acquired":true,"shares":6036,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis (\"RSUs\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These RSUs were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/1/2027, 6/1/2028 and 6/1/2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"These RSUs were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/1/2027, 6/1/2028 and 6/1/2029."}],"balance_after":6036,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":6036},"source":{"system":"sec-edgar","filing":"0000891839-26-000215","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000215/form4.xml","form_type":"4"}},{"id":753481,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2026-06-03T20:31:56.000Z","date":"2026-06-02","kind":"exercise","planned":false,"acquired":false,"shares":2540,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis (\"RSUs\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"One-third of the original grant of these RSUs vested on 6/2/2026, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 6/2/2027 and 6/2/2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"One-third of the original grant of these RSUs vested on 6/2/2026, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 6/2/2027 and 6/2/2028."}],"balance_after":5082,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2540},"source":{"system":"sec-edgar","filing":"0000891839-26-000215","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000215/form4.xml","form_type":"4"}},{"id":753480,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:31:56.000Z","date":"2026-06-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":730,"price":106.11,"value":77460.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of RSUs."}],"balance_after":56567,"source":{"system":"sec-edgar","filing":"0000891839-26-000215","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000215/form4.xml","form_type":"4"}},{"id":753479,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:31:56.000Z","date":"2026-06-02","kind":"exercise","planned":false,"acquired":true,"shares":2540,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis (\"RSUs\")."}],"balance_after":57297,"source":{"system":"sec-edgar","filing":"0000891839-26-000215","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000215/form4.xml","form_type":"4"}},{"id":776200,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2026-05-18T20:30:56.000Z","date":"2026-05-17","kind":"exercise","planned":false,"acquired":false,"shares":2375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis (\"RSUs\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These RSUs vested on 5/17/2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These RSUs vested on 5/17/2026."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2375},"source":{"system":"sec-edgar","filing":"0000891839-26-000169","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000169/form4.xml","form_type":"4"}},{"id":776199,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-05-18T20:30:56.000Z","date":"2026-05-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":682,"price":98.28,"value":67026.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of RSUs."}],"balance_after":54757,"source":{"system":"sec-edgar","filing":"0000891839-26-000169","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000169/form4.xml","form_type":"4"}},{"id":776198,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-05-18T20:30:56.000Z","date":"2026-05-17","kind":"exercise","planned":false,"acquired":true,"shares":2375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis (\"RSUs\")."}],"balance_after":55439,"source":{"system":"sec-edgar","filing":"0000891839-26-000169","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183926000169/form4.xml","form_type":"4"}},{"id":1115778,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-06-11T20:30:33.000Z","date":"2025-06-09","kind":"tax_withholding","planned":false,"acquired":false,"shares":2211,"price":44.66,"value":98743.26,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of performance-based restricted stock units."}],"balance_after":53064,"source":{"system":"sec-edgar","filing":"0001062993-25-011407","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325011407/form4.xml","form_type":"4"}},{"id":1115777,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-06-11T20:30:33.000Z","date":"2025-06-09","kind":"grant","planned":false,"acquired":true,"shares":7693,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were awarded to Mr. Malone upon the vesting of performance-based restricted stock units granted to him under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3. The shares underlying this award vested after three years based on the Company's achievement on certain pre-determined performance measures over the eligible three-year period that ended on 3/31/2025."}],"balance_after":55275,"source":{"system":"sec-edgar","filing":"0001062993-25-011407","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325011407/form4.xml","form_type":"4"}},{"id":1122138,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Restricted Stock Units","published_at":"2025-06-05T21:54:44.000Z","date":"2025-06-04","kind":"exercise","planned":false,"acquired":false,"shares":1291,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"One-third of the original grant of these restricted stock units vested on 6/4/2025, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 6/4/2026 and 6/4/2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"One-third of the original grant of these restricted stock units vested on 6/4/2025, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 6/4/2026 and 6/4/2027."}],"balance_after":2582,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":1291},"source":{"system":"sec-edgar","filing":"0001062993-25-011066","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325011066/form4.xml","form_type":"4"}},{"id":1122137,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Common Stock","published_at":"2025-06-05T21:54:44.000Z","date":"2025-06-04","kind":"tax_withholding","planned":false,"acquired":false,"shares":371,"price":40.89,"value":15170.19,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of restricted stock units."}],"balance_after":47582,"source":{"system":"sec-edgar","filing":"0001062993-25-011066","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325011066/form4.xml","form_type":"4"}},{"id":1122136,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Common Stock","published_at":"2025-06-05T21:54:44.000Z","date":"2025-06-04","kind":"exercise","planned":false,"acquired":true,"shares":1291,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."}],"balance_after":47953,"source":{"system":"sec-edgar","filing":"0001062993-25-011066","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325011066/form4.xml","form_type":"4"}},{"id":1123868,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Restricted Stock Units","published_at":"2025-06-04T20:25:33.000Z","date":"2025-06-02","kind":"grant","planned":false,"acquired":true,"shares":7622,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/2/2026, 6/2/2027 and 6/2/2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These restricted stock units were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/2/2026, 6/2/2027 and 6/2/2028."}],"balance_after":7622,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":7622},"source":{"system":"sec-edgar","filing":"0001062993-25-010988","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325010988/form4.xml","form_type":"4"}},{"id":1134429,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Restricted Stock Units","published_at":"2025-05-27T20:29:29.000Z","date":"2025-05-23","kind":"exercise","planned":false,"acquired":false,"shares":3053,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units vested on 5/23/2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These restricted stock units vested on 5/23/2025."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":3053},"source":{"system":"sec-edgar","filing":"0001062993-25-010378","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325010378/form4.xml","form_type":"4"}},{"id":1134428,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Common Stock","published_at":"2025-05-27T20:29:29.000Z","date":"2025-05-23","kind":"exercise","planned":false,"acquired":true,"shares":3053,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."}],"balance_after":46662,"source":{"system":"sec-edgar","filing":"0001062993-25-010378","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325010378/form4.xml","form_type":"4"}},{"id":1141343,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Restricted Stock Units","published_at":"2025-05-20T20:31:28.000Z","date":"2025-05-17","kind":"exercise","planned":false,"acquired":false,"shares":2374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Two-thirds of the original grant of these restricted stock units vested in substantially equal installments on each of 5/17/2024 and 5/17/2025, and except as otherwise provided in the award notice, the balance vests on 5/17/2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Two-thirds of the original grant of these restricted stock units vested in substantially equal installments on each of 5/17/2024 and 5/17/2025, and except as otherwise provided in the award notice, the balance vests on 5/17/2026."}],"balance_after":2375,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2374},"source":{"system":"sec-edgar","filing":"0001062993-25-009885","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325009885/form4.xml","form_type":"4"}},{"id":1141342,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Common Stock","published_at":"2025-05-20T20:31:28.000Z","date":"2025-05-17","kind":"exercise","planned":false,"acquired":true,"shares":2374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."}],"balance_after":43609,"source":{"system":"sec-edgar","filing":"0001062993-25-009885","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299325009885/form4.xml","form_type":"4"}},{"id":1489157,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Restricted Stock Units","published_at":"2024-06-06T20:34:46.000Z","date":"2024-06-04","kind":"grant","planned":false,"acquired":true,"shares":3873,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/4/2025, 6/4/2026 and 6/4/2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These restricted stock units were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/4/2025, 6/4/2026 and 6/4/2027."}],"balance_after":3873,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":3873},"source":{"system":"sec-edgar","filing":"0001062993-24-012063","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324012063/form4.xml","form_type":"4"}},{"id":1494096,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2024-06-04T20:32:35.000Z","date":"2024-06-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2347,"price":27.05,"value":63486.35,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of a performance stock award granted on June 1, 2021."}],"balance_after":41235,"source":{"system":"sec-edgar","filing":"0001062993-24-011830","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324011830/form4.xml","form_type":"4"}},{"id":1494095,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2024-06-04T20:32:35.000Z","date":"2024-06-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":391,"price":27.05,"value":10576.55,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to cover tax withholding obligations upon the vesting of a restricted stock award granted on June 1, 2021."}],"balance_after":43582,"source":{"system":"sec-edgar","filing":"0001062993-24-011830","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324011830/form4.xml","form_type":"4"}},{"id":1501210,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Restricted Stock Units","published_at":"2024-05-28T20:33:52.000Z","date":"2024-05-23","kind":"exercise","planned":false,"acquired":false,"shares":3053,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Two-thirds of the original grant of these restricted stock units vested in substantially equal installments on each of 5/23/2023 and 5/23/2024, and except as otherwise provided in the award notice, the balance vests on 5/23/2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Two-thirds of the original grant of these restricted stock units vested in substantially equal installments on each of 5/23/2023 and 5/23/2024, and except as otherwise provided in the award notice, the balance vests on 5/23/2025."}],"balance_after":3053,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":3053},"source":{"system":"sec-edgar","filing":"0001062993-24-011348","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324011348/form4.xml","form_type":"4"}},{"id":1501209,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2024-05-28T20:33:52.000Z","date":"2024-05-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":877,"price":28.44,"value":24941.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of restricted stock units."}],"balance_after":43973,"source":{"system":"sec-edgar","filing":"0001062993-24-011348","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324011348/form4.xml","form_type":"4"}},{"id":1501208,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2024-05-28T20:33:52.000Z","date":"2024-05-23","kind":"exercise","planned":false,"acquired":true,"shares":3053,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."}],"balance_after":44850,"source":{"system":"sec-edgar","filing":"0001062993-24-011348","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324011348/form4.xml","form_type":"4"}},{"id":1508119,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Restricted Stock Units","published_at":"2024-05-21T20:34:12.000Z","date":"2024-05-17","kind":"exercise","planned":false,"acquired":false,"shares":2374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"One-third of the original grant of these restricted stock units vested on 5/17/2024, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 5/17/2025 and 5/17/2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"One-third of the original grant of these restricted stock units vested on 5/17/2024, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 5/17/2025 and 5/17/2026."}],"balance_after":4749,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2374},"source":{"system":"sec-edgar","filing":"0001062993-24-010892","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324010892/form4.xml","form_type":"4"}},{"id":1508118,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2024-05-21T20:34:12.000Z","date":"2024-05-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":763,"price":29.12,"value":22218.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of restricted stock units."}],"balance_after":41797,"source":{"system":"sec-edgar","filing":"0001062993-24-010892","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324010892/form4.xml","form_type":"4"}},{"id":1508117,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2024-05-21T20:34:12.000Z","date":"2024-05-17","kind":"exercise","planned":false,"acquired":true,"shares":2374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."}],"balance_after":42560,"source":{"system":"sec-edgar","filing":"0001062993-24-010892","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299324010892/form4.xml","form_type":"4"}},{"id":1871294,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2023-06-02T20:35:32.000Z","date":"2023-06-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":379,"price":11.04,"value":4184.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to cover tax withholding obligations upon the vesting of a restricted stock award."}],"balance_after":40186,"source":{"system":"sec-edgar","filing":"0001062993-23-012772","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299323012772/form4.xml","form_type":"4"}},{"id":1880503,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Restricted Stock Units","published_at":"2023-05-24T20:43:17.000Z","date":"2023-05-23","kind":"exercise","planned":false,"acquired":false,"shares":3052,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"One-third of the original grant of these restricted stock units vested on May 23, 2023, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 5/23/2024 and 5/23/2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"One-third of the original grant of these restricted stock units vested on May 23, 2023, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 5/23/2024 and 5/23/2025."}],"balance_after":6106,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":3052},"source":{"system":"sec-edgar","filing":"0001062993-23-012064","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299323012064/form4.xml","form_type":"4"}},{"id":1880502,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2023-05-24T20:43:17.000Z","date":"2023-05-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":1037,"price":11.78,"value":12215.86,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld to cover tax withholding obligations upon the vesting of restricted stock units."}],"balance_after":40565,"source":{"system":"sec-edgar","filing":"0001062993-23-012064","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299323012064/form4.xml","form_type":"4"}},{"id":1880501,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2023-05-24T20:43:17.000Z","date":"2023-05-23","kind":"exercise","planned":false,"acquired":true,"shares":3052,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted stock units convert into common stock on a one-for-one basis."}],"balance_after":41602,"source":{"system":"sec-edgar","filing":"0001062993-23-012064","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299323012064/form4.xml","form_type":"4"}},{"id":1887915,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Restricted Stock Units","published_at":"2023-05-18T20:34:31.000Z","date":"2023-05-17","kind":"grant","planned":false,"acquired":true,"shares":7123,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units, which convert into common stock on a one-for-one basis, were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 5/17/2024, 5/17/2025 and 5/17/2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These restricted stock units, which convert into common stock on a one-for-one basis, were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 5/17/2024, 5/17/2025 and 5/17/2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These restricted stock units, which convert into common stock on a one-for-one basis, were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 5/17/2024, 5/17/2025 and 5/17/2026."}],"balance_after":7123,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":7123},"source":{"system":"sec-edgar","filing":"0001062993-23-011626","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299323011626/form4.xml","form_type":"4"}},{"id":2259117,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Restricted Stock Units","published_at":"2022-05-24T21:04:11.000Z","date":"2022-05-23","kind":"grant","acquired":true,"shares":9158,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These restricted stock units, which convert into common stock on a one-for-one basis, were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of the first three anniversaries of the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These restricted stock units, which convert into common stock on a one-for-one basis, were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of the first three anniversaries of the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These restricted stock units, which convert into common stock on a one-for-one basis, were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of the first three anniversaries of the date of grant."}],"balance_after":9158,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":9158},"source":{"system":"sec-edgar","filing":"0001062993-22-013392","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000106299322013392/form4.xml","form_type":"4"}},{"id":2687934,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2021-06-02T20:55:05.000Z","date":"2021-06-01","kind":"grant","acquired":true,"shares":8164,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This performance-vested restricted stock award was granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and is subject to forfeiture if certain vesting conditions are not met. The number of shares reported assumes maximum achievement of the performance criteria."},{"field":"shares","element":"transactionShares","label":"F3","text":"This performance-vested restricted stock award was granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and is subject to forfeiture if certain vesting conditions are not met. The number of shares reported assumes maximum achievement of the performance criteria."}],"balance_after":38550,"source":{"system":"sec-edgar","filing":"0000891839-21-000187","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183921000187/edgar.xml","form_type":"4"}},{"id":2687933,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2021-06-02T20:55:05.000Z","date":"2021-06-01","kind":"grant","acquired":true,"shares":4082,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"This time-vested restricted stock award was granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3."},{"field":"shares","element":"transactionShares","label":"F2","text":"This time-vested restricted stock award was granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3."}],"balance_after":30386,"source":{"system":"sec-edgar","filing":"0000891839-21-000187","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183921000187/edgar.xml","form_type":"4"}},{"id":2687932,"issuer":{"id":1960,"kind":"organization","name":"GRAHAM CORP","symbol":"GHM"},"owners":[{"id":39869,"kind":"person","name":"Malone Matthew","position":1,"cik":"0001864755","reported_name":"Malone Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & GM of Barber-Nichols"}}],"security":"Common Stock","published_at":"2021-06-02T20:55:05.000Z","date":"2021-06-01","kind":"grant","acquired":true,"shares":26304,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Mr. Malone acquired these shares, with a per share value of $14.69, in connection with the registrant's acquisition of Barber-Nichols, LLC on June 1, 2021."}],"balance_after":26304,"source":{"system":"sec-edgar","filing":"0000891839-21-000187","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/716314/000089183921000187/edgar.xml","form_type":"4"}}]}